Optolong OIII 3nm 2" | PixelSkiesAstro
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  • Optolong OIII 3nm 2" | PixelSkiesAstro

Optolong OIII 3nm 2"

€ 389,00
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Optolong OIII 3nm filter 2" Optolong's OIII 3 nm narrowband filter passes a 3 nm band centred on 500 nm (the OIII 495.9/500.7 nm lines) for planetary nebulae, supernova remnants and bicolour or Hubble-palette work with monochrome cameras.

Manufacturer model: Optolong OIII 3nm 2" · Specifications checked against manufacturer data on 2026-11-03

Optolong OIII 3nm filter 2"

Optolong's OIII 3 nm narrowband filter passes a 3 nm band centred on 500 nm (the OIII 495.9/500.7 nm lines) for planetary nebulae, supernova remnants and bicolour or Hubble-palette work with monochrome cameras.

Specifications

Format 2" mounted
Bandwidth 3 nm
Centre wavelength 500 nm
Use Monochrome CCD/CMOS cameras and modified DSLRs

Coating

Multi-layer anti-reflection coating on a non-cemented substrate, applied by ion-assisted deposition for durability and a stable centre wavelength with temperature.

Manufacturer documentation

Optolong OIII 3nm 2"

Compatibility notes

Single 2in mounted 3nm filter from the SHO-3nm range.

Additional specifications

Centre wavelength500 nm
73722

Datasheet

Bandbreedte
3 nm
Formaat
2" mounted
Gebruik
Monochrome CCD/CMOS cameras and modified DSLRs
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